A central angle e in a circle of radius 9 m is subtended by an arc of length 12 m. Find the measure of 0 in radians. The length of an arc of a circle is 50 cm and subtends a central angle of 2.5 radians. Find the radius of a circle.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.1: Angles
Problem 29E
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A central angle e in a circle of radius 9 m is subtended by an arc of length 12 m.
Find the measure of e in radians.
The length of an arc of a circle is 50 cm and subtends a central angle of 2.5
radians. Find the radius of a circle.
Transcribed Image Text:A central angle e in a circle of radius 9 m is subtended by an arc of length 12 m. Find the measure of e in radians. The length of an arc of a circle is 50 cm and subtends a central angle of 2.5 radians. Find the radius of a circle.
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